US x Iran Effective Ceasefire by 2026? (2 week pause)

Platform comparison

Market context

The United States and Iran have maintained a pattern of tit-for-tat military escalation since 2020, punctuated by periods of restraint lasting days to weeks. This market asks whether a continuous 14-day window without a qualifying US military action against Iran will occur before the end of August 2026. The 0% crowd probability reflects the historical difficulty of achieving such a pause: direct strikes, drone operations, and cyber actions have recurred at intervals measured in months rather than years, with the 2024 Iranian ballistic missile attack on Israel and subsequent US response cycles demonstrating the fragility of any de-escalation window.

Comparable historical precedent exists in the 2015–2018 period following the Joint Comprehensive Plan of Action, when the US and Iran avoided direct military confrontation for roughly three years despite political hostility. However, that arrangement collapsed after the 2018 US withdrawal, and the subsequent eight years have seen multiple cycles of strikes and counter-strikes. The current market window extends to August 2026—a 20-month horizon—which statistically increases the probability of at least one 14-day pause, yet the crowd's zero valuation suggests traders view sustained escalation as the base case.

Key catalysts include any renewal of nuclear negotiations, shifts in Israeli–Iranian tensions following regional conflicts, and US domestic political transitions. Reuters reported in late 2024 that indirect talks through intermediaries continued sporadically, though without substantive progress. Traders should monitor announcements from the International Atomic Energy Agency, statements from the US State Department regarding sanctions relief, and any major incident involving US military assets in the Persian Gulf or broader Middle East. The settlement window's length means that even a single diplomatic breakthrough or mutual de-escalation agreement could trigger resolution to "Yes," yet the market's current pricing suggests such an outcome remains viewed as unlikely.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi vs Polymarket, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi vs Polymarket trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.